Subjective and objective risk of colorectal cancer (UK).
D015179:Colorectal Neoplasms / Q000453:epidemiology / Q000209:etiology* / Q000523:psychology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012812:Sigmoidoscopy / Q000379:methods; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires; D006113:United Kingdom